PayTomorrow integration guides

Bring financing to your checkout.

Choose your platform or build a custom checkout. Get from setup to your first successful test order with a clear path to launch.

Need staging credentials? Contact your account manager or support

How are you integrating?

Install on my platformFollow the setup guide for Shopify, WooCommerce, Magento, and other supported platforms.Choose your platformBuild a custom checkoutAuthenticate, create an order, and reconcile the result with your own backend.Create your first test order

With either one, add marketing tools like monthly payment estimates to your product pages. Marketing tools

Find your platform

ShopifyWooCommerceMagento 2BigCommercePrestaShopShift4ShopWebShop ManagerX-Pay

From first request to fulfillment

Know what happens next, and which parts your store handles.

  1. 01

    Create an order

    Your server sends the cart and saves the application token.

  2. 02

    Customer applies

    Open the hosted application with a redirect or iframe.

  3. 03

    Confirm the status

    A postback triggers an authenticated status check and order reconciliation.

  4. 04

    Ship and settle

    Fulfill eligible orders, then settle when they ship.

Understand the application flow

Build, test, and launch with confidence

API referenceRequest and response schemas, authenticated examples, and an OpenAPI download.Postback builderGenerate test notifications and learn how to reconcile them safely.Checkout simulatorSee the browser messages for completion, cancellation, and declines.TroubleshootingStart with the symptom and find a concrete next step.Going liveTest the scenarios that matter, then switch to production.Build with AICopy readable Markdown or give your coding tool the full documentation.

A closer look at the API

Create the order on your server. Save the application token and reconcile status before you fulfill.

Explore the API reference
curl -X POST $PT_API/application/ecommerce/orders \  -H "Authorization: Bearer $TOKEN" \  -H "Content-Type: application/json" \  -d '{    "orderId": "100045",    "firstName": "Jordan",    "lastName": "Rivera",    "email": "jordan@example.com",    "street": "123 Main St",    "city": "Charlotte", "state": "NC", "zip": "28202",    "returnUrl": "https://yourstore.com/success",    "cancelUrl": "https://yourstore.com/cancel",    "notifyUrl": "https://yourstore.com/webhooks/pt",    "loanAmount": 1149.97,    "applicationItems": [{      "description": "65-inch 4K Smart TV",      "quantity": 1, "price": 1149.97    }]  }'

Ready for your first test order?

Start in staging, then switch to production when your test orders work.

Start the quickstartHow to go live